Granted Patent
Utility
US 4,467,285 · App. 06/333,238
Pulse monitor circuit
Inventor:
Gerald M. Rinaldi
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Dec 21, 1981
Inventor
Gerald M. Rinaldi
Assignee (at issue)
GTE Automatic Electric Labs Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.